u4Warming up

1、 Unit 4Astronomy: the science of the starsWarming upHow much do you know about the universe?Astronomy is one of the oldest sciences. It is the scientific study of celestial objects (such as stars, planets, comets, nebula, star clusters and galaxies) and phenomena that originate outside the Earths at

2、mosphere (such as the cosmic background radiation). It is concerned with the evolution, physics, chemistry, meteorology, and motion of celestial objects, as well as the formation and development of the universe. Astronomy is a multidisciplinary subject and usesknowledge from both math and physics.Th

3、ink about these questions and then discuss them with your partner.1. In our solar system eight planets circle around the sun. What are they? Can you match the names with the planets?solar system太陽系太陽系 Mercury(水星水星)Venus(金星金星)Mars(火星火星)Jupiter(木星木星)Uranus(天王星天王星)Neptune(海王星海王星)Earth(地球地球)Saturn(土星土星)

4、SunVenusMercuryMarsJupiterSaturnEarthPlutoNeptuneUranus2. What interests you in astronomy? Do you know any questions that astronomers are interested in?Aristotle亞里斯多德亞里斯多德Metaphysics(宇宙哲學(xué)宇宙哲學(xué))張衡張衡(78 AD - 139 AD), earliest astronomer in China Later Han Dynasty Seismography 地震儀地震儀Invented seismograph

5、y and the Armillary Sphere (渾天儀渾天儀) so as to observe the universe and predict earthquake Galileo 伽利略伽利略Galileo made a series of profound discoveries using his new telescope, including the moons of the planet Jupiter and the phases of the planet Venus (similar to those of Earths moon). Copernicus哥白尼哥

6、白尼sun-centered or heliocentric (以太陽為以太陽為中心中心) theoryIsaac Newton,牛頓牛頓 16421727 Universal gravitation 萬有引力萬有引力gravity 地心引力地心引力, 重力重力Einstein, Albert (1879-1955)愛因斯坦愛因斯坦Relativity (相對論相對論) and the Cosmos (宇宙宇宙)The theory about black holes (黑洞理論黑洞理論)Black holesSatellites 衛(wèi)星Space flights (太空飛行太空飛行)Cheer

7、 up Float WeightlessCarbin astronomy biochemistry geophysics medicine_ the scientific study of treatment of diseases and injures_ the study of the chemistry of living things_ the scientific study of the earths atmosphere, oceans and climate_ the scientific study of objects in space, such as planets,

8、 stars, comets and “black holes”astronomymedicinebiochemistrygeophysicsFill in the blanks. astronomy physics mathematicsmedicinebiology chemistrygeophysicsgeology physics biochemistry biology chemistry1. What do we mean when we say we are studying a subject scientifically? Or whats the correct attit

9、ude towards science? We should be objective(客觀客觀), not superstitious（迷信）（迷信）.Answer these questions.2. Whats the correct way to prove a scientific idea? We should design experiments to test it for several times. Then we can analyze the results and draw a conclusion at last.3. What are the most important skills we need to be real scientists? Careful, objective and logical, draw conclusions from the experiments and not